Molecular Parameters - Oxygen - Selenium Compounds

Molecular FormulaNameStructureBond Length (Å)Bond Angle (°)Symmetry
OH2 water   O-H 0.958 HOH 104.45 C2v
O2 oxygen   O-O 1.208   D∞h
[O2]+     O-O 1.1227   D∞h
[O2]-(s)   in KO2 O-O 1.28 (s=0.01)   D∞h
[O2]2-(s)   in BaO2 O-O 1.49 (s=0.009)   D∞h
O2H2 hydrogen peroxide hydrogen peroxide O-H 0.97 ± 0.01 O-O 1.49 ± 0.01 OOH 100 ± 2 cb-ab ass.90 C2
O3 ozone   O-O 1.277 ± 0.002 OOO 116.8 ± 0.3 C2v
SCl2 sulphur dichloride   S-Cl 2.00 ± 0.02 ClSCl 103 ±3 C2v
SCl2O thionyl dichloride   S-O 1.45 ± 0.02 S-Cl 2.07 ± 0.03 ClSCl 114 ± 2 OSCl 106 ± 1 Cs
SF6 sulphur hexafluoride   S-F 1.58 ± 0.03   Oh
SH2 hydrogen sulphide   S-H 1.3455 HSH 93.3  
SH2O4 (s) sulphuric acid sulphuric acid a = 1.55 b = 1.42 c = 1.52 d = 1.43 ab = 116 ac = 104 ad = 112 bc = 98 bd = 117 cd = 109 C1
SO2 sulphur dioxide   S-O 1.4321 OSO 119.536 C2v
SO3 sulphur trioxide   S-O 1.43 ± 0.02 OSO 120 ± 2 D3h
[SO4]2-(s)   in Cu(NH3)4SO4 S-O 1.44   Td
S2Cl2 sulphur monochloride   S-Cl 1.99 ± 0.03 S-S 2.05 ± 0.03 ClSS 103 ± 2 C2
S8 octasulphur octasulphur S-S 2.07 ± 0.02 SSS 105 ± 2 D4d
SeF4 selenium tetrafluoride selenium tetrafluoride Se-F 1.765 ± 0.025 aa = bb 120 ± 10 ab = 104.5 ± 4.5 C2v

ass. = assumed parameter
( ) = preliminary results
(s) = in crystalline state

Reference: Tables of Interatomic Distances and Configuration in Molecules and Ions, L.E. Sutton, ed., London: The Chemical Society, 1958.